About pyrazine
pyrazine (PubChem CID 9261) has the molecular formula C4H4N2
and a molecular weight of 80.09 g/mol. Its IUPAC name is pyrazine.
Molecular Properties
| Compound Name | pyrazine |
| PubChem CID | 9261 |
| Molecular Formula | C4H4N2 |
| Molecular Weight | 80.09 g/mol |
| Exact Mass | 80.04 |
| IUPAC Name | pyrazine |
| SMILES | c1cnccn1 |
| InChI | InChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H |
| InChIKey | KYQCOXFCLRTKLS-UHFFFAOYSA-N |
| XLogP | 0.48 |
| TPSA | 25.78 Ų |
| H-Bond Donors | |
| H-Bond Acceptors | 2 |
| Rotatable Bonds | |
| Heavy Atoms | 6 |
| Complexity | — |
Lipinski Rule of Five
Passes Rule of Five
| Rule | Value |
| MW ≤ 500 | 80.09 |
| LogP ≤ 5 | 0.48 |
| H-Bond Donors ≤ 5 | 0 |
| H-Bond Acceptors ≤ 10 | 2 |
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Frequently Asked Questions
What is the IUPAC name of pyrazine?
The IUPAC name of pyrazine (CID 9261) is pyrazine.
What is the SMILES notation for pyrazine?
The canonical SMILES for pyrazine is c1cnccn1.
What is the InChIKey of pyrazine?
The InChIKey is KYQCOXFCLRTKLS-UHFFFAOYSA-N. The full InChI is InChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H.
What are the key properties of pyrazine?
pyrazine has a molecular weight of 80.09 g/mol, XLogP of 0.48, 0 rotatable bonds, 0 hydrogen bond donors, and 2 hydrogen bond acceptors.
Where does this data come from?
All data for pyrazine is sourced from PubChem (CID 9261), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).